Finding the Third Proportional to 31,129,762 and 49,729,984

Step by Step Solution

1. Step 1: Write the proportion equation
   31,129,762 : 49,729,984 = 49,729,984 : x
2. Step 2: Convert to fraction form
   31,129,762/49,729,984 = 49,729,984/x
3. Step 3: Cross multiply
   31,129,762x = 49,729,984 × 49,729,984
4. Step 4: Simplify right side
   31,129,762x = 2,473,071,308,640,256
5. Step 5: Solve for x
   x = 2,473,071,308,640,256/31,129,762
6. Step 6: Final answer
   x = 79,443,951.70